#define STIFF_STEP shampine
#define STIFF_NAME "Shampine"

#define GAM (REAL(1.0)/REAL(2.0))
#define A21 REAL(2.0)
#define A31 (REAL(48.0)/REAL(25.0)) 
#define A32 (REAL(6.0)/REAL(25.0)) 
#define C21 REAL(-8.0)
#define C31 (REAL(372.0)/REAL(25.0)) 
#define C32 (REAL(12.0)/REAL(5.0)) 
#define C41 (REAL(-112.0)/REAL(125.0)) 
#define C42 (REAL(-54.0)/REAL(125.0)) 
#define C43 (REAL(-2.0)/REAL(5.0)) 
#define B1 (REAL(19.0)/REAL(9.0)) 
#define B2 (REAL(1.0)/REAL(2.0)) 
#define B3 (REAL(25.0)/REAL(108.0)) 
#define B4 (REAL(125.0)/REAL(108.0)) 
#define E1 (REAL(17.0)/REAL(54.0)) 
#define E2 (REAL(7.0)/REAL(36.0)) 
#define E3 REAL(0.0)
#define E4 (REAL(125.0)/REAL(108.0))
#define C1X (REAL(1.0)/REAL(2.0)) 
#define C2X (REAL(-3.0)/REAL(2.0)) 
#define C3X (REAL(121.0)/REAL(50.0)) 
#define C4X (REAL(29.0)/REAL(250.0)) 
#define A2X REAL(1.0)
#define A3X (REAL(3.0)/REAL(5.0))

